<template>
  <div class="app-container">
    <el-card shadow="never">
      <!-- 查询、筛选条件 -->

      <el-form v-show="showSearch" ref="queryForm" :model="queryParams" label-position="left" label-width="85px">
        <el-row :gutter="48">
          <el-col :xs="24" :sm="8">
            <el-form-item label="菜单名称：" prop="menuName">
              <el-input v-model="queryParams.menuName" placeholder="请输入" clearable size="small" @keyup.enter.native="handleQuery" />
            </el-form-item>
          </el-col>
          <el-col :xs="24" :sm="8">
            <el-form-item label="状态：" prop="status">
              <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small" style="width:100%">
                <el-option v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictLabel" :value="dict.dictValue" />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :xs="24" :sm="8">
            <span class="search-advancedButton">
              <el-button v-waves type="primary" size="small" @click="handleQuery">查 询</el-button>
              <el-button size="small" @click="resetQuery">重 置</el-button>
            </span>
          </el-col>
        </el-row>
      </el-form>

      <el-row :gutter="10" class="mb16">
        <el-col :span="1.5">
          <el-button v-hasPermi="['system:menu:add']" type="primary" plain icon="el-icon-plus" size="small" @click="handleAdd">新增</el-button>
        </el-col>
        <right-toolbar :show-search.sync="showSearch" @queryTable="getList" />
      </el-row>

      <el-table v-loading="loading" :data="menuList" row-key="menuId" :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
        <template slot="empty">
          <el-empty />
        </template>
        <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160" />
        <el-table-column prop="icon" label="图标" align="center">
          <template slot-scope="{row}">
            <svg-icon :icon-class="row.icon" />
          </template>
        </el-table-column>
        <el-table-column prop="orderNum" align="center" label="排序" />
        <el-table-column prop="perms" label="权限标识" align="center" :show-overflow-tooltip="true" />
        <el-table-column prop="component" label="组件路径" align="center" :show-overflow-tooltip="true" />
        <el-table-column prop="status" align="center" label="状态">
          <template slot-scope="{row}">
            <el-dot :type="row.status === '0' ? 'success' :'error'" />
            <span class="badge-status-text">{{ statusFormat(row) }}</span>
          </template>
        </el-table-column>
        <el-table-column label="创建时间" align="center" prop="createTime" :show-overflow-tooltip="true">
          <template slot-scope="{row}">
            <span>{{ parseTime(row.createTime) }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" fixed="right" width="240" class-name="small-padding fixed-width">
          <template slot-scope="{row}">
            <el-button v-hasPermi="['system:menu:add']" size="small" type="text" @click="handleAdd(row)">新增</el-button>
            <el-divider direction="vertical" />
            <el-button v-hasPermi="['system:menu:edit']" size="small" type="text" @click="handleUpdate(row)">编辑</el-button>
            <el-divider direction="vertical" />
            <el-button v-hasPermi="['system:menu:remove']" size="small" type="text" @click="handleDelete(row)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <zrk-drag-dialog :title="title" :show.sync="open" :is-footer="true" :width="width">
        <div slot="body">
          <el-form ref="form" :model="form" :rules="rules" label-width="80px">
            <el-row :gutter="20">
              <el-col :span="24">
                <el-form-item label="上级菜单">
                  <treeselect v-model="form.parentId" :options="menuOptions" :normalizer="normalizer" :show-count="true" placeholder="选择上级菜单" />
                </el-form-item>
              </el-col>
              <el-col :span="24">
                <el-form-item label="菜单类型" prop="menuType">
                  <el-radio-group v-model="form.menuType">
                    <el-radio label="M">目录</el-radio>
                    <el-radio label="C">菜单</el-radio>
                    <el-radio label="F">按钮</el-radio>
                  </el-radio-group>
                </el-form-item>
              </el-col>
              <el-col :span="24">
                <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
                  <el-popover placement="bottom-start" width="460" trigger="click" @show="$refs['iconSelect'].reset()">
                    <IconSelect ref="iconSelect" @selected="selected" />
                    <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                      <svg-icon v-if="form.icon" slot="prefix" :icon-class="form.icon" class="el-input__icon" style="height: 32px;width: 16px;" />
                      <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                    </el-input>
                  </el-popover>
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item label="菜单名称" prop="menuName">
                  <el-input v-model="form.menuName" placeholder="请输入" />
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item label="显示排序" prop="orderNum">
                  <el-input-number v-model="form.orderNum" controls-position="right" style="width: 100%" :min="0" />
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item v-if="form.menuType != 'F'" label="是否外链">
                  <el-radio-group v-model="form.isFrame">
                    <el-radio label="0">是</el-radio>
                    <el-radio label="1">否</el-radio>
                  </el-radio-group>
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="path">
                  <el-input v-model="form.path" placeholder="请输入" />
                </el-form-item>
              </el-col>
              <el-col v-if="form.menuType == 'C'" :span="12">
                <el-form-item label="组件路径" prop="component">
                  <el-input v-model="form.component" placeholder="请输入" />
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item v-if="form.menuType != 'M'" label="权限标识">
                  <el-input v-model="form.perms" placeholder="请输入" maxlength="50" />
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item v-if="form.menuType != 'F'" label="显示状态">
                  <el-radio-group v-model="form.visible">
                    <el-radio v-for="dict in visibleOptions" :key="dict.dictValue" :label="dict.dictValue">{{ dict.dictLabel }}</el-radio>
                  </el-radio-group>
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item v-if="form.menuType != 'F'" label="菜单状态">
                  <el-radio-group v-model="form.status">
                    <el-radio v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictValue">{{ dict.dictLabel }}</el-radio>
                  </el-radio-group>
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item v-if="form.menuType == 'C'" label="是否缓存">
                  <el-radio-group v-model="form.isCache">
                    <el-radio label="0">缓存</el-radio>
                    <el-radio label="1">不缓存</el-radio>
                  </el-radio-group>
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item v-if="form.menuType == 'C'" label="菜单描述">
                  <el-input v-model="form.remark" placeholder="请输入" maxlength="40" show-word-limit />
                </el-form-item>
              </el-col>
            </el-row>
          </el-form>
        </div>
        <div slot="footer" class="text-right">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </zrk-drag-dialog>
    </el-card>
  </div>
</template>

<script>
import {
  listMenu,
  getMenu,
  delMenu,
  addMenu,
  updateMenu
} from '@/api/system/menu'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'
import IconSelect from '@/components/IconSelect'

export default {
  name: 'Menu',
  components: { Treeselect, IconSelect },
  data() {
    return {
      // 表格宽度
      width: '39%',
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 显示状态数据字典
      visibleOptions: [],
      // 菜单状态数据字典
      statusOptions: [],
      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        menuName: [
          { required: true, message: '菜单名称不能为空', trigger: 'blur' }
        ],
        orderNum: [
          { required: true, message: '菜单顺序不能为空', trigger: 'blur' }
        ],
        path: [{ required: true, message: '路由地址不能为空', trigger: 'blur' }]
      }
    }
  },
  created() {
    this.getList()
    this.getDicts('sys_show_hide').then((response) => {
      this.visibleOptions = response.data
    })
    this.getDicts('sys_normal_disable').then((response) => {
      this.statusOptions = response.data
    })
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.icon = name
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true
      listMenu(this.queryParams).then((response) => {
        this.menuList = this.handleTree(response.data, 'menuId')
        this.loading = false
      })
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children
      }
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      listMenu().then((response) => {
        this.menuOptions = []
        const menu = { menuId: 0, menuName: '主类目', children: [] }
        menu.children = this.handleTree(response.data, 'menuId')
        this.menuOptions.push(menu)
      })
    },
    // 显示状态字典翻译
    visibleFormat(row, column) {
      if (row.menuType === 'F') {
        return ''
      }
      return this.selectDictLabel(this.visibleOptions, row.visible)
    },
    // 菜单状态字典翻译
    statusFormat(row, column) {
      if (row.menuType === 'F') {
        return ''
      }
      return this.selectDictLabel(this.statusOptions, row.status)
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        icon: undefined,
        menuType: 'M',
        orderNum: undefined,
        isFrame: '1',
        isCache: '0',
        visible: '0',
        status: '0',
        remark: ''
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset()
      this.getTreeselect()
      if (row != null && row.menuId) {
        this.form.parentId = row.menuId
      } else {
        this.form.parentId = 0
      }
      this.open = true
      this.title = '新增'
    },
    /** 编辑按钮操作 */
    handleUpdate(row) {
      this.reset()
      this.getTreeselect()
      getMenu(row.menuId).then((response) => {
        this.form = response.data
        this.open = true
        this.title = '编辑'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate((valid) => {
        if (valid) {
          if (this.form.menuId !== undefined) {
            updateMenu(this.form).then((response) => {
              this.msgSuccess('编辑成功')
              this.open = false
              this.getList()
              this.$store.dispatch('changeRoles')
            })
          } else {
            addMenu(this.form).then((response) => {
              this.msgSuccess('新增成功')
              this.open = false
              this.getList()
              this.$store.dispatch('changeRoles')
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$confirm(
        '是否确认删除名称为"' + row.menuName + '"的数据项?',
        '警告',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      )
        .then(() => {
          return delMenu(row.menuId)
        })
        .then(() => {
          this.getList()
          this.msgSuccess('删除成功')
          this.$store.dispatch('changeRoles')
        })
    }
  }
}
</script>
